332800261 has 2 divisors, whose sum is σ = 332800262. Its totient is φ = 332800260.

The previous prime is 332800253. The next prime is 332800267. The reversal of 332800261 is 162008233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332150625 + 649636 = 18225^2 + 806^2 .

It is an emirp because it is prime and its reverse (162008233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332800261 - 2³ = 332800253 is a prime.

It is a super-2 number, since 2×332800261² = 221512027443336242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332800267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166400130 + 166400131.

It is an arithmetic number, because the mean of its divisors is an integer number (166400131).

Almost surely, 2^332800261 is an apocalyptic number.

It is an amenable number.

332800261 is a deficient number, since it is larger than the sum of its proper divisors (1).

332800261 is an equidigital number, since it uses as much as digits as its factorization.

332800261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 332800261 is about 18242.8139550893. The cubic root of 332800261 is about 692.9914654333.

Adding to 332800261 its reverse (162008233), we get a palindrome (494808494).

The spelling of 332800261 in words is "three hundred thirty-two million, eight hundred thousand, two hundred sixty-one".